SMIL Media Objects
SMIL supports multimedia objects, including
<video src="ad1.mpg" />
A simple video played for its entire duration.
Still Image (img)
<img src="ad2.jpg" dur="5s" />
dur attribute specifies duration of the still image during playback.
<smilText textMode="crawl" region="ticker">Hello, world.</smilText>
Crawling "Hello, world." across the top of a screen region.
<audio src="music.mp3" />
Playing music in the background.